Bellows Waterproof Connector (PG/M/G)

High-performance waterproof bellows connector with superior IP68 protection, perfect water pressure resistance, and maintains air tightness even when bellows are pulled. Features automatic equipment waterproof, oil proof, and airtight protection.

Technical Specifications

Material

Lock Nut: UL approved Halogen-Free nylon PA66 (fire rating UL94V-2)

Washer: EPDM weather-resistant rubber (cold and high temperature resistance)

Customization: UL approved V-0 fire grade nylon available

Working Temperature

-40°C to 100°C

Thread Types

MetricPGG(PF/BSP/PS)NPT

Certifications

Key Features

• 📦 All sizes from AD10 to AD54.5 available
• ✓ Perfect water pressure resistance
• ✓ Maintains air tightness when bellows pulled
• ✓ Automatic equipment waterproof protection
• ✓ Oil proof and airtight design
• ✓ Weather resistant EPDM rubber
• ✓ Halogen-free materials available

Complete Size Chart

Available in 55 different configurations.

Bellows Waterproof Connector Structure Reference

Structure diagram showing dimensional measurements corresponding to the size chart below

M PG G
Conduit Size	Thread	Thread O.D AG (mm)	Inner Size (mm)	Thread Length GL (mm)	Total Length (mm)	Max O.D. (mm)
M12*1.5	12	8	10	34	20
M16*1.5	16	11.5	10	34	24
M16*1.5	16	11.5	11.5	39	24
M18*1.5	18	13.5	11.5	39	24
M20*1.5	20	15	11.5	39	29
M16*1.5	16	11.5	11.5	44	29
M18*1.5	18	13	11.5	44	29
M20*1.5	20	15	11.5	44	29
M22*1.5	22	17.3	11.5	44	29
M16*1.5	16	11.5	12	44	30
M18*1.5	18	13.5	12	44	30
M20*1.5	20	15.5	12	44	30
M22*1.5	22	17.3	12	44	30
M16*1.5	16	11.5	15	48	35
M20*1.5	20	15.5	12.6	46	35
M22*1.5	22	17.5	12.6	46	35
M25*1.5	25	20	14	48	35
M25*1.5	25	20	14	48	40
M25*1.5	25	20	14	46	40
M32*1.5	32	27	14	46	41

Showing first 20 of 55 available sizes

Show All Sizes55

Contact us for complete specifications and custom sizing options